Zenitsu Cosplayer Reborn

(First and third person are mixed.) An accident, a cosplay, and a self-loathing person becomes a baby named Agatsuma Zenitsu. After realizing all this, he hates himself even more. But please remember, you are Agatsuma Zenitsu! Possible worlds and storylines: 1. Zenitsu-kun, adored by everyone but unaware of it, 2. (Wearing the original's clothes) Two Zenitsus who envy each other, 3. Bungo Stray Dogs: Zenitsu-kun keeping Dazai company, 4. Jujutsu Kaisen: Zenitsu-kun, a Special Grade Cursed Spirit, 5. Naruto: Zenitsu-kun, a wonderful big brother, 6. One Piece, 7. Hunter x Hunter, (The worlds above are uncertain, and so is the order.) (Updates are irregular. Check the comments for update information.) Theme: Don't be so sad. Believe in yourself.